diff --git a/docker/Dockerfile b/docker/Dockerfile
index 554c8b2ce..0a194957a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,9 +1,6 @@
 ARG BASE="18-bullseye-full"
 FROM koush/scrypted-common:${BASE}
 
-# changing this forces pip and npm to perform reinstalls
-ENV SCRYPTED_BASE_VERSION=20230322
-
 WORKDIR /
 # cache bust
 ADD "https://www.random.org/cgi-bin/randbyte?nbytes=10&format=h" skipcache
diff --git a/docker/Dockerfile.full b/docker/Dockerfile.full
index 521cb17cf..d0970dfd6 100644
--- a/docker/Dockerfile.full
+++ b/docker/Dockerfile.full
@@ -89,6 +89,10 @@ ENV SCRYPTED_CAN_RESTART="true"
 ENV SCRYPTED_VOLUME="/server/volume"
 ENV SCRYPTED_INSTALL_PATH="/server"
 
+# changing this forces pip and npm to perform reinstalls.
+# if this base image changes, this version must be updated.
+ENV SCRYPTED_BASE_VERSION=20230322
+
 ################################################################
 # End section generated from template/Dockerfile.full.footer
 ################################################################
diff --git a/docker/Dockerfile.lite b/docker/Dockerfile.lite
index dd51eb443..805d29b65 100644
--- a/docker/Dockerfile.lite
+++ b/docker/Dockerfile.lite
@@ -39,3 +39,7 @@ ENV SCRYPTED_DOCKER_SERVE="true"
 ENV SCRYPTED_CAN_RESTART="true"
 ENV SCRYPTED_VOLUME="/server/volume"
 ENV SCRYPTED_INSTALL_PATH="/server"
+
+# changing this forces pip and npm to perform reinstalls.
+# if this base image changes, this version must be updated.
+ENV SCRYPTED_BASE_VERSION=20230322
diff --git a/docker/Dockerfile.thin b/docker/Dockerfile.thin
index 12e7542f2..eee96d533 100644
--- a/docker/Dockerfile.thin
+++ b/docker/Dockerfile.thin
@@ -18,3 +18,7 @@ ENV SCRYPTED_DOCKER_SERVE="true"
 ENV SCRYPTED_CAN_RESTART="true"
 ENV SCRYPTED_VOLUME="/server/volume"
 ENV SCRYPTED_INSTALL_PATH="/server"
+
+# changing this forces pip and npm to perform reinstalls.
+# if this base image changes, this version must be updated.
+ENV SCRYPTED_BASE_VERSION=20230322
diff --git a/docker/template/Dockerfile.full.footer b/docker/template/Dockerfile.full.footer
index be2bc0da4..9c4f9ccb7 100644
--- a/docker/template/Dockerfile.full.footer
+++ b/docker/template/Dockerfile.full.footer
@@ -8,6 +8,10 @@ ENV SCRYPTED_CAN_RESTART="true"
 ENV SCRYPTED_VOLUME="/server/volume"
 ENV SCRYPTED_INSTALL_PATH="/server"
 
+# changing this forces pip and npm to perform reinstalls.
+# if this base image changes, this version must be updated.
+ENV SCRYPTED_BASE_VERSION=20230322
+
 ################################################################
 # End section generated from template/Dockerfile.full.footer
 ################################################################